Reference

Nicholas P.C. Horrocks, Kathryn Hine, Arne Hegemann, Henry K. Ndithia, Mohammed Shobrak, Stephane Ostrowski, Joseph B. Williams, Kevin D. Matson, B. Irene Tieleman (2014): Are antimicrobial defences in bird eggs related to climatic conditions associated with risk of trans-shell microbial infection? – Frontiers in Zoology – 2014: 0001-49-0010.